Advisories · Technology
Microsoft Windows 11 version 21H2.
Every CVE that names Microsoft Windows 11 version 21H2 among its affected products, newest first. Vendors and products are as the CNA wrote them; check the affected versions on each record.
- CVSS 5.5 Medium
Windows Smart Card Resource Management Server Security Feature Bypass Vulnerability
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 10 Version 22H2
- CVSS 6.5 Medium
Microsoft Message Queuing Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Memory corruption
- CVSS 7.5 High
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- CWE-20
- CVSS 9.8 CriticalCritical · CVSS 9+
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Memory corruption
- CVSS 9.8 CriticalCritical · CVSS 9+
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Memory corruption
- CVSS 6.5 Medium
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Memory corruption
- CVSS 6.5 Medium
Windows Hyper-V Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Information disclosure
- CVSS 5.5 Medium
Windows Cryptographic Services Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- CWE-170
- CVSS 5.5 Medium
Windows Cryptographic Services Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- CWE-170
- CVSS 5.5 Medium
Windows Wireless Wide Area Network Service (WwanSvc) Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Memory corruption
- CVSS 7.8 High
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows 10 Version 21H2
- CWE-126
- CVSS 7.8 High
Windows System Assessment Tool Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Path traversal
- CVSS 7.8 HighCritical · CVSS 7+ and EPSS
Windows Common Log File System Driver Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Memory corruption
- CVSS 7.8 High
Tablet Windows User Interface Application Core Remote Code Execution Vulnerability
- Microsoft Windows 11 version 21H2
- Microsoft Windows 11 version 22H2
- CWE-426
- CVSS 5.5 Medium
Windows Group Policy Security Feature Bypass Vulnerability
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Broken access control
- CVSS 8.8 High
Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Memory corruption
- CVSS 7.8 High
Windows Kernel Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Path traversal
- CVSS 7.5 HighCritical · KEV, CVSS 7+ and EPSSKEV · ransomware
Windows Search Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Race condition
- CVSS 6.5 Medium
Azure Active Directory Security Feature Bypass Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CVSS 7.8 High
Microsoft VOLSNAP.SYS Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.5 High
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-591
- CVSS 6.5 Medium
Windows MSHTML Platform Security Feature Bypass Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Path traversal
- CVSS 5.5 Medium
Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-20
- CVSS 7.8 High
Windows Kernel Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.8 High
Windows Kernel Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 8.8 High
USB Audio Class System Driver Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-20
- CVSS 8.8 High
Microsoft PostScript and PCL6 Class Printer Driver Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 8.8 High
Remote Procedure Call Runtime Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.8 High
Windows Common Log File System Driver Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.5 High
HTTP.sys Denial of Service Vulnerability
- Microsoft Windows Server 2022
- Microsoft Windows 11 version 21H2
- Denial of service
- CVSS 8.1 High
Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 6.5 Medium
Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 5.5 Medium
Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-126
- CVSS 7.5 High
HTTP.sys Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 9.8 CriticalCritical · CVSS 9+
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-20
- CVSS 7.8 High
Windows Server Update Service (WSUS) Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Path traversal
- CVSS 6.7 Medium
Active Template Library Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.3 High
Volume Shadow Copy Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Path traversal
- CVSS 7.8 High
Windows Installer Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Path traversal
- CVSS 6.5 Medium
Remote Procedure Call Runtime Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.8 High
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Broken access control
- CVSS 7.8 High
Windows Partition Management Driver Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Race condition
- CVSS 7.4 High
Windows Netlogon Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CVSS 7.8 HighCritical · KEV, CVSS 7+ and EPSSKEV
Windows Error Reporting Service Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Path traversal
- CVSS 9.8 CriticalCritical · CVSS 9+
Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-20
- CVSS 9.8 CriticalCritical · CVSS 9+
Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-20
- CVSS 9.8 CriticalCritical · CVSS 9+
Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-20
- CVSS 8.8 High
Windows Kernel Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.8 High
Windows Kernel Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.8 High
Windows Clip Service Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-591
- CVSS 7.0 High
Windows Kernel Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Race condition
- CVSS 7.0 High
Windows Kernel Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-591
- CVSS 7.8 High
Windows Kernel Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.8 High
Windows Kernel Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.8 High
Windows Kernel Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.8 High
Connected User Experiences and Telemetry Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Path traversal
- CVSS 7.1 High
Microsoft Install Service Elevation of Privilege Vulnerability
- Microsoft Windows Server 2022
- Microsoft Windows 11 version 21H2
- Path traversal
- CVSS 7.8 High
Windows Geolocation Service Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-426
- CVSS 7.8 High
Windows Image Acquisition Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Path traversal
- CVSS 6.2 Medium
Microsoft DirectMusic Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption